Achromatic prism
Achromatic Ach`ro*mat"ic, a. [Gr. ? colorless; 'a priv. + ?, ?, color: cf. F. achromatique.] 1. (Opt.) Free from color; transmitting light without decomposing it into its primary colors. [1913 Webster]

2. (Biol.) Uncolored; not absorbing color from a fluid; -- said of tissue. [1913 Webster]

{Achromatic lens} (Opt.), a lens composed usually of two separate lenses, a convex and concave, of substances having different refractive and dispersive powers, as crown and flint glass, with the curvatures so adjusted that the chromatic aberration produced by the one is corrected by other, and light emerges from the compound lens undecomposed.

{Achromatic prism}. See {Prism}.

{Achromatic telescope}, or {microscope}, one in which the chromatic aberration is corrected, usually by means of a compound or achromatic object glass, and which gives images free from extraneous color. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Achromatic prism — Prism Prism (pr[i^]z m), n. [L. prisma, Gr. pri sma, fr. pri zein, pri ein, to saw: cf. F. prisme.] 1. (Geom.) A solid whose bases or ends are any similar, equal, and parallel plane figures, and whose sides are parallelograms. [1913 Webster] Note …   The Collaborative International Dictionary of English

  • achromatic prism — achromatinė prizmė statusas T sritis fizika atitikmenys: angl. achromatic prism vok. achromatisches Prisma, n rus. ахроматическая призма, f pranc. prisme achromatique, m …   Fizikos terminų žodynas

  • achromatic prism — noun : a prism made by combining two or more prisms of different refractive index so designed and placed that a ray of white or other nonhomogeneous light passing through the prism is deviated but not dispersed into a spectrum compare amici prism …   Useful english dictionary

  • achromatic prism — Optics. a system of two or more prisms of different substances that deflects but does not disperse a beam of light. * * * …   Universalium

  • Achromatic — Ach ro*mat ic, a. [Gr. ? colorless; a priv. + ?, ?, color: cf. F. achromatique.] 1. (Opt.) Free from color; transmitting light without decomposing it into its primary colors. [1913 Webster] 2. (Biol.) Uncolored; not absorbing color from a fluid;… …   The Collaborative International Dictionary of English

  • Achromatic lens — Achromatic Ach ro*mat ic, a. [Gr. ? colorless; a priv. + ?, ?, color: cf. F. achromatique.] 1. (Opt.) Free from color; transmitting light without decomposing it into its primary colors. [1913 Webster] 2. (Biol.) Uncolored; not absorbing color… …   The Collaborative International Dictionary of English

  • Achromatic telescope — Achromatic Ach ro*mat ic, a. [Gr. ? colorless; a priv. + ?, ?, color: cf. F. achromatique.] 1. (Opt.) Free from color; transmitting light without decomposing it into its primary colors. [1913 Webster] 2. (Biol.) Uncolored; not absorbing color… …   The Collaborative International Dictionary of English

  • Prism — (pr[i^]z m), n. [L. prisma, Gr. pri sma, fr. pri zein, pri ein, to saw: cf. F. prisme.] 1. (Geom.) A solid whose bases or ends are any similar, equal, and parallel plane figures, and whose sides are parallelograms. [1913 Webster] Note: Prisms of… …   The Collaborative International Dictionary of English

  • Prism (optics) — For other uses, see Prism (disambiguation). A plastic prism In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. The exact angles between the surfaces depend on the application. The traditional… …   Wikipedia

  • achromatic — adjective /eɪˈkɹəʊ.mæt.ɪk/ a) Free from color; transmitting light without color related distortion. The lecture was achromatic, the speaker used politics to suppress the weight of his/her subject. b) Containing components such as achromatic… …   Wiktionary

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